3569181 - Process 'hdbnameserver', pid '' exited because it caught signal 15

• After an OS patch upgrade on the SAP HANA server, the Hana Database services are not starting and eventually crashing.
• The Daemon service trace reveals a "signal 15" was sent to the Nameserver and caused the instance startup to fail :
  
  

  daemon_hostname.30000.<>.trc
  
  [30444]{-1}[-1/-1] 2025-02-09 13:56:43.298722 i Daemon           DaemonHandle.cpp(00323) : Instance count 1. Searching for terminated processes
  [30444]{-1}[-1/-1] 2025-02-09 13:56:43.298748 i Daemon           DaemonHandle.cpp(00339) : Process 'hdbnameserver', pid 30472 exited because it caught signal 15
  [30444]{-1}[-1/-1] 2025-02-09 13:56:43.298752 i Daemon           Events.cpp(00174) : "KillInstanceEvent" cancelled for 'hdbnameserver', pid 30472, was due in 299987 ms
  [30444]{-1}[-1/-1] 2025-02-09 13:56:43.298798 i Daemon           DaemonHandle.cpp(00415) : Found stopped instance 0 of program 'nameserver', deleting reference
  #
  [36252]{-1}[-1/-1] 2025-02-09 13:56:59.318527 i Basis            TraceStream.cpp(00520) : ==== Starting hdb.sapSID_HDB00, version 2.00.067.00.1677654186 (fa/hana2sp06), build linuxx86_64 e2430179089d5e410afd22d067cdc48cb134a325 . . .

• The Nameserver trace contains no record or entry of these failed startup attempts. Only the Daemon service.

SAP HANA Platform Edition 2.0

KBA , HAN-DB-ENG , SAP HANA DB Engines , HAN-LM-UPG-DB , Upgrade of HANA Database , Problem